tests/streams/sstream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/sstream.cpp
   3 // Purpose:     Test wxStringInputStream/wxStringOutputStream
   4 // Author:      Vadim Zeitlin
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2004 Vadim Zeitlin
   7 // Licence:     wxWidgets licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 // and "wx/cppunit.h"
  12 #include "testprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 // for all others, include the necessary headers
  19 #ifndef WX_PRECOMP
  20 #endif
  21
  22 #include "wx/sstream.h"
  23
  24 #include "bstream.h"
  25
  26 ///////////////////////////////////////////////////////////////////////////////
  27 // The test case
  28 //
  29 // Try to fully test wxStringInputStream and wxStringOutputStream
  30
  31 class strStream :
  32         public BaseStreamTestCase<wxStringInputStream, wxStringOutputStream>
  33 {
  34 public:
  35     strStream();
  36     virtual ~strStream();
  37
  38     CPPUNIT_TEST_SUITE(strStream);
  39         // Base class stream tests the strStream supports.
  40         CPPUNIT_TEST(Input_GetSize);
  41         CPPUNIT_TEST(Input_GetC);
  42         CPPUNIT_TEST(Input_Read);
  43         CPPUNIT_TEST(Input_Eof);
  44         CPPUNIT_TEST(Input_LastRead);
  45         CPPUNIT_TEST(Input_CanRead);
  46         CPPUNIT_TEST(Input_SeekI);
  47         CPPUNIT_TEST(Input_TellI);
  48         CPPUNIT_TEST(Input_Peek);
  49         CPPUNIT_TEST(Input_Ungetch);
  50
  51         CPPUNIT_TEST(Output_PutC);
  52         CPPUNIT_TEST(Output_Write);
  53         CPPUNIT_TEST(Output_LastWrite);
  54         // seeking currently not supported by output string stream
  55         //CPPUNIT_TEST(Output_SeekO);
  56         //CPPUNIT_TEST(Output_TellO);
  57
  58         // Other test specific for String stream test case.
  59         CPPUNIT_TEST(Output_Check);
  60     CPPUNIT_TEST_SUITE_END();
  61
  62 protected:
  63     void Output_Check();
  64
  65 private:
  66     // Implement base class functions.
  67     virtual wxStringInputStream  *DoCreateInStream();
  68     virtual wxStringOutputStream *DoCreateOutStream();
  69
  70     // output the given string to wxStringOutputStream and check that its
  71     // contents is exactly the same string
  72     void CheckString(const wxString& text);
  73
  74     wxString m_str;
  75 };
  76
  77 strStream::strStream()
  78 {
  79     static const size_t LEN = 256;
  80     m_str.reserve(LEN);
  81     for ( size_t n = 0; n < LEN; n++ )
  82     {
  83         m_str += wxChar(_T('A') + n % (_T('Z') - _T('A') + 1));
  84     }
  85 }
  86
  87 strStream::~strStream()
  88 {
  89 }
  90
  91 wxStringInputStream *strStream::DoCreateInStream()
  92 {
  93     wxStringInputStream *pStrInStream = new wxStringInputStream(m_str);
  94     CPPUNIT_ASSERT(pStrInStream->IsOk());
  95     return pStrInStream;
  96 }
  97
  98 wxStringOutputStream *strStream::DoCreateOutStream()
  99 {
 100     wxStringOutputStream *pStrOutStream = new wxStringOutputStream();
 101     CPPUNIT_ASSERT(pStrOutStream->IsOk());
 102     return pStrOutStream;
 103 }
 104
 105 void strStream::CheckString(const wxString& text)
 106 {
 107     wxStringOutputStream sos;
 108
 109     size_t len = text.length();
 110 #if wxUSE_UNICODE
 111     const wxCharBuffer textMB(wxConvLibc.cWC2MB(text.wc_str(), len + 1, &len));
 112 #else
 113     const char *textMB = text.c_str();
 114 #endif
 115
 116     sos.Write(textMB, len);
 117
 118     CPPUNIT_ASSERT_EQUAL( text, sos.GetString() );
 119 }
 120
 121 void strStream::Output_Check()
 122 {
 123     CheckString("Hello world!");
 124     CheckString(wxString("hi\0dden", 8));
 125 }
 126
 127 // Register the stream sub suite, by using some stream helper macro.
 128 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(strStream)